# encoding=UTF-8
# 作   者：要努力，努力，再努力
# 开发日期：2022/4/24 10:32

file = open('a.txt', 'a')
file.write('helloworld')
file.close()

src_file = open('logo.jpg', 'rb')
target_file = open('target.jpg', 'wb')
target_file.write(src_file.read())
target_file.close()
src_file.close()

